Triple
T6154379
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio fare system |
E137282
|
entity |
| Predicate | appliesTo |
P1129
|
FINISHED |
| Object |
Keio Takao Line
The Keio Takao Line is a commuter railway line in the Tokyo area operated by Keio Corporation, providing access toward the Mount Takao region.
|
E812513
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Keio Takao Line | Statement: [Keio fare system, appliesTo, Keio Takao Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keio Takao Line Context triple: [Keio fare system, appliesTo, Keio Takao Line]
-
A.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
B.
Meitetsu Mikawa Line
The Meitetsu Mikawa Line is a Japanese railway line in Aichi Prefecture operated by Nagoya Railroad (Meitetsu), connecting several cities in the region including Toyota City.
-
C.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
D.
Marunouchi Line
The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
-
E.
Minobu Line
The Minobu Line is a regional railway line in Japan operated by JR Central that connects Fuji in Shizuoka Prefecture with Kōfu in Yamanashi Prefecture, serving communities along the Fuji River.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Keio Takao Line Triple: [Keio fare system, appliesTo, Keio Takao Line]
Generated description
The Keio Takao Line is a commuter railway line in the Tokyo area operated by Keio Corporation, providing access toward the Mount Takao region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keio Takao Line Target entity description: The Keio Takao Line is a commuter railway line in the Tokyo area operated by Keio Corporation, providing access toward the Mount Takao region.
-
A.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
B.
Meitetsu Mikawa Line
The Meitetsu Mikawa Line is a Japanese railway line in Aichi Prefecture operated by Nagoya Railroad (Meitetsu), connecting several cities in the region including Toyota City.
-
C.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
D.
Marunouchi Line
The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
-
E.
Minobu Line
The Minobu Line is a regional railway line in Japan operated by JR Central that connects Fuji in Shizuoka Prefecture with Kōfu in Yamanashi Prefecture, serving communities along the Fuji River.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69c008a45d008190832a9e19f5d63406 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c05cffc7bc819092633a9e5f1abe2f |
completed | March 22, 2026, 9:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d181f4123c8190a15ee03b3156c6fd |
completed | April 4, 2026, 9:26 p.m. |
| NEDg | Description generation | batch_69d182ef83e881908a579b6a696ebdc3 |
completed | April 4, 2026, 9:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1836f1be48190a172834ce9eaafe3 |
completed | April 4, 2026, 9:32 p.m. |
Created at: March 22, 2026, 4:17 p.m.